is 2 23645077 - 1
has 7117878 decimal digits
takes 19.179 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L048254B176B75218double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual274161.803966.2162%1647790494337095.00005.0514%166.803967.9228%
Target27010.105764.2857%160000225000001.61973.4877%11.725465.5313%
Difference+4+151.6982+1.9305%+1487790+26933709+3.3803+1.5638%+155.0785+2.3915%

Known prime factors:
No known factors for M23645077

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-03-16ANONYMOUSv4_computers340000340000---0.400--1.064%
2021-12-24GdSManual testing16477904943370912---5.000--5.051%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-09-10Net_Forcev4_computers21256--0.000--
2003-08-08ANONYMOUSv4_computers21260--0.006--
2003-10-31ANONYMOUSv4_computers21267--1.257--
2016-06-29VictordeHollanderManual testing267268--1.264--
2018-01-12VictordeHollanderManual testing268269--2.528--
2018-09-05ramgeisManual testing269270--5.057--
2021-08-04SRBaseManual testing270271--10.11--
2021-09-06TheJudgerManual testing271272--20.23--
2021-09-06TheJudgerManual testing272273--40.45--
2021-09-16TheJudgerManual testing273274--80.91--


ECM factoring results:
No ECM results for M23645077


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-07-13Stephan Gruppv4_computers048254B176B7521819.18
2010-08-30Martin VeaseyOsiris048254B176B7521819.18


PRP results:
No PRP results for M23645077


P-1 factor-bounds graph:
B1 = 1647790, B2 = 49433709 (P-1 stage 2)
B1 = 1647790 (P-1 stage 1)
B1 = 340000 (P-1 stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
274
273
272
271
270
269
268
267
260
256
this exponent TF target: 70
TF double-checked to: 67.9
250
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270
280
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Last modified: 2023-10-02T12:12:48+00:00